Terence Kincaid is an Immortal from England who is a captain of a merchant ship, he is the type of Immortal who does not care about the crews needs but is all about money. In 1778 in the South Pacific near a deserted island, the ship Terence Kincaid was captain of, was running out of food and supplies and the crew was starving. One of the crew members suggested that they travel back to China to get supplies, but Kincaid was more concerned with getting his cargo back to London. Duncan MacLeod, a member of the crew pleaded with Kincaid, but Kincaid did not care and the crew later on decided to stage a munity. The crew decided to have Kincaid's head cut off, but MacLeod suggested that Kincaid should be left on the deserted island to suffer and the crew agreed. Kincaid spent over a hundred years on that island, managing to eat something on the island till all food sources ran out and starved, died over and over again till he finally go off the island.
In 1995, Terence Kincaid met a young Immortal named Kenneth, who helped Kincaid find Duncan MacLeod in Seacouver, Washington. Kincaid worked with Kenneth and he brought Kincaid to MacLeod. MacLeod, who has encountered Kenneth before, not trusting of Kenneth cause of their past encounter. Kenneth is pretending to be afraid of Kincaid. MacLeod and Kincaid run into each other at a dock and tells MacLeod about the hell he went through on the island. Kincaid and Duncan go at it at the storage building and Kincaid came close to defeating MacLeod after Kenneth cause some steam to busrt into MacLeod's eyes, but MacLeod, with his skill, defeated Kincaid and beheaded him.